Home / 12,453.14-18,682.30-5,875.74

Finding the Fourth Proportional to 12,453.14, 18,682.30 and 5,875.74

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Solution

The fourth proportional to 12,453.14, 18,682.30 and 5,875.74 is: 8,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.14 : 18,682.30 = 5,875.74 : x
  2. Step 2: Convert to fraction form
    12,453.14/18,682.30 = 5,875.74/x
  3. Step 3: Cross multiply
    12,453.14x = 18,682.30 × 5,875.74
  4. Step 4: Simplify right side
    12,453.14x = 109,772,311.70
  5. Step 5: Solve for x
    x = 109,772,311.70/12,453.14
  6. Step 6: Final answer
    x = 8,814.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.